Home / 2,972,588.45-4,457,741.78-1,265,649.53

Finding the Fourth Proportional to 2,972,588.45, 4,457,741.78 and 1,265,649.53

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Solution

The fourth proportional to 2,972,588.45, 4,457,741.78 and 1,265,649.53 is: 1,897,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,588.45 : 4,457,741.78 = 1,265,649.53 : x
  2. Step 2: Convert to fraction form
    2,972,588.45/4,457,741.78 = 1,265,649.53/x
  3. Step 3: Cross multiply
    2,972,588.45x = 4,457,741.78 × 1,265,649.53
  4. Step 4: Simplify right side
    2,972,588.45x = 5,641,938,769,593.78
  5. Step 5: Solve for x
    x = 5,641,938,769,593.78/2,972,588.45
  6. Step 6: Final answer
    x = 1,897,988.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.